Blaze Meter’s Google Chrome Extension allows you to test your application without prior scripting knowledge, by recording user actions and HTTP requests to create a unique test artifact that runs both JMeter and Selenium tests.
Recording with the Chrome extension is one way to create Objects for the Test Action Library when you Create a GUI Functional Test From Predefined Actions
This tutorial attempts to explain the exact steps for recording HTTP/HTTPS. For those new to JMeter, one easy way to create a test plan is to use the Recorder